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The Serpentine water temperature

The Serpentine · Lake

The current water temperature at The Serpentine is 19.2 °C (as of September 9, 2026, source: official monitoring networks).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

19.2 °C
Measured: September 9, 2026 · continuously updated
💧 Water 19.2° · ☀️ Air 17.1° · high today 19.4°
Temperature trend of recent weeks
The Serpentine
Photo: pam fray · CC BY-SA 2.0 · Wikimedia Commons

Nearby waters

Thames, Cadogan Pier · 2.4 km away18.8 °CThames, Hammersmith · 4.8 km away18.9 °CThames, Putney · 5.3 km away18.8 °CThames, Chiswick Pier · 6.2 km away19.1 °CHampstead Heath Mixed Pond · 6.2 km away18.7 °C

Frequently asked questions

Can you swim at The Serpentine right now?
The current water temperature is 19.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at The Serpentine?
Currently 19.2 °C (updated continuously).

Open in the BrrChecker app

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